Cassandra Kazooni, a young woman, is dragged into the year 2371 by an eerie species, who call themself 'Sorelans'. Before they could do anything worse to Cass, she is rescued by Commander Riker and Lieutenant Worf.
But this is not the last we have seen of the Sorelans. While the crew of the Enterprise searches for a possibility to return Cass home, they forge a new plan...